Chemistry, 10.02.2021 17:00 bbyniah123
8. Given the reaction Ca + 2H,0 - Ca(OH)2 + H2, what is the total number of moles of Ca need
react completely with 4.0 mol of H,0?
a. 0.55 mol
b. 1.0 mol
C. 2.0 mol
d. 4.0 mol
les of H, O that
of KCIO,
9. Consider the reaction: CH (9) + 20,(9) - CO2(g) + 2H,0(9). How many moles of oxygen ar
needed for the complete combustion of 3.0 mol of CH (9)?
a. 2.0 mol
b. 3.0 mol
c. 4.0 mol
d. 6.0 mol
10. According to the reaction 2Al + 3H, SO. - 3H, + Al(SO4)3, the total number of moles of H, SC
needed to react completely with 5.0 mol of Al is
a. 2.5 mol
b. 5.0 mol
c. 7.5 mol
d. 9.0 mol
1
is presenting
11 Given the priuation Nin) + 3H (n) - NHYO) what is the total number of moles of H2SO4 needed to react completely with 5.0 mol of Al is...?
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When an object falls through the air and encounters air resistance its overall speed will be than if it had not encountered air resistance? (one word answer)
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What method(s) do plants use to obtain nitrogen? select all that apply. absorb it from the atmosphere use bacteria to convert nitrogen to usable form obtain usable nitrogen compounds from the soil absorb nitrogen from water taken in at the roots
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Chemistry, 22.06.2019 10:00
Part 1: include important facts found through your research. part 2: include your visual display. include your summary of βthe chemistry of waterβ from the national science foundation website. include your experiment. part 3: include responses to the reflection questions.
Answers: 1
8. Given the reaction Ca + 2H,0 - Ca(OH)2 + H2, what is the total number of moles of Ca need
react...
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